BTP-L540 User’s Manual
- 12 -
Menu selection
After entering the menu, press the button for a
long time to select the current menu.
Parameter
confirmation
When setting the parameter, press the button for a
long time to validate the current parameter.
Note: Short press means the duration from pressing down the button to
the time when the button uplifts is less than 0.5s.
Long press means the duration of pressing down the button is
more than 1s.
3.1.3 Buzzer functions
1) The buzzer beeps for a short time when the printer is turned on
or reset;
2) The buzzer beeps many times when an exception occurs. For
the details, please refer to 5.1 Troubleshooting.
3.1.4 LCD functions
LCD is used to display the printer status and menu and configure
the printer parameters by cooperating with the button.
3.2 Printer status and operation
3.2.1 Printer status
The printer has five status: idle status, working status, pause status,
configuration status, and abnormal status.
Printer status
LED
LCD
Idle status
Green LED is always
on.
Display LOGO and printer model
information.
Working status
Green LED is always
on.
Display LOGO and PRINTING....
